Home / 145,220,202.84-217,894,630.65-76,116,583.59

Finding the Fourth Proportional to 145,220,202.84, 217,894,630.65 and 76,116,583.59

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Solution

The fourth proportional to 145,220,202.84, 217,894,630.65 and 76,116,583.59 is: 114,208,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,202.84 : 217,894,630.65 = 76,116,583.59 : x
  2. Step 2: Convert to fraction form
    145,220,202.84/217,894,630.65 = 76,116,583.59/x
  3. Step 3: Cross multiply
    145,220,202.84x = 217,894,630.65 × 76,116,583.59
  4. Step 4: Simplify right side
    145,220,202.84x = 16,585,394,867,682,902
  5. Step 5: Solve for x
    x = 16,585,394,867,682,902/145,220,202.84
  6. Step 6: Final answer
    x = 114,208,591.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.